This Government of Canada Act received Royal Assent February 15, 2005. This is the legislation approving the first comprehensive land claim and self government agreement in the Northwest Territories and the second such agreement in Canada. The agreement created the Tłįchǫ Government, which owns 39,000 square kilometers of land, including subsurface resources. The Tłįchǫ also receive approximately $152 million over 14 years, and a share of resource royalties from development in the Mackenzie Valley.